The SpaceX rocket and spacecraft technology company scrubbed its launch of 27 satellites Tuesday from California.

SpaceX plans to launch four astronauts on a mission around Earth's poles. SpaceX has confirmed the Monday afternoon Starlink liftoff is now targeted for 3:52 p.m., however weather conditions at the launch and first-stage landing locations play a role in timing.

SpaceX launched another batch of its Starlink internet satellites from Florida's Space Coast on Monday (March 31). A Falcon 9 rocket carrying 28 Starlink spacecraft lifted off from Cape Canaveral Space Force Station at 3:52 p.m. EST (1952 GMT) on Monday.